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Visibility Restoration via Smoothing Speed for Vein Recognition
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/05/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Image Processing and Video Processing
vein recognition, intensity of the vein vessel, smoothing speed, restoration weight,
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A novel image enhancement method for vein recognition is introduced. Inspired by observation that the intensity of the vein vessel changes rapidly during the smoothing process compared to that of background (i.e., skin tissue) due to its thin and long shape, we propose to exploit the smoothing speed as a restoration weight for the vein image enhancement. Experimental results based on the CASIA multispectral palm vein database demonstrate that the proposed method is effective to improve the performance of vein recognition.